Crash data shows information about each traffic crash on city streets within the City of Chicago limits and under the jurisdiction of Chicago Police Department (CPD). Data are...

This dataset reflects reported incidents of crime (with the exception of murders where data exists for each victim) that occurred in the City of Chicago from 2001 to present,...

Each record in this dataset shows information about an arrest executed by the Chicago Police Department (CPD). Source data comes from the CPD Automated Arrest application. This...

This dataset is a listing of all active City of Chicago employees, complete with full names, departments, positions, employment status (part-time or full-time), frequency of...

NOTE: This dataset has been retired and marked as historical-only. Weekly rates of COVID-19 cases, hospitalizations, and deaths among people living in Chicago by vaccination...

This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. For a more detailed description, please go to...

This dataset contains information about vehicles (or units as they are identified in crash reports) involved in a traffic crash. This dataset should be used in conjunction with...

This dataset shows monthly averages, by day type (weekday, Saturday or Sunday/Holiday) and monthly totals for all CTA bus routes, back to 2001. See attached readme file for...

This dataset contains all those street segments (individually uniquely identified by Record ID) that have been designated as belonging to a “Residential Parking Zone.”...

This dataset contains the owner information for all the accounts listed in the Business License Dataset, and is sorted by Account Number. To identify the owner of a business,...

Analysis on the annual TIF report to show the revenue, expenditures and changes in the fund balance for each TIF district during the Reporting Year. For the detailed reports for...

Complaints received by the Chicago Police Department Bureau of Internal Affairs (BIA). BIA investigates complaints of police misconduct that do not fall under the jurisdiction...

NOTE, 9/25/2025 - We have populated the Address column for additional records. Business licenses issued by the Department of Business Affairs and Consumer Protection in the City...

Note, 10/15/2025: We have added a PERMIT_CONDITION column. This dataset includes information about building permits issued by the City of Chicago from 2006 to the present,...

311 Service Requests received by the City of Chicago. This dataset includes requests created after the launch of the new 311 system on 12/18/2018 and some records from the...

Community area boundaries in Chicago. This dataset is in a format for spatial datasets that is inherently tabular but allows for a map as a derived view. Please click the...

This dataset contains aggregate data on violent index victimizations at the quarter level of each year (i.e., January – March, April – June, July – September, October –...

Note, 7/10/2025: Please see this article for information on a change to the EMPLOYEE DATASET ID column and this article for information on a data correction. Welcome to the...

Illinois Uniform Crime Reporting (IUCR) codes are four digit codes that law enforcement agencies use to classify criminal incidents when taking individual reports. These codes...

The Annual Appropriation Ordinance is the final City operating budget as approved by the City Council. It reflects the City’s operating budget at the beginning of the fiscal...